$ git clone -n https://gitee.com/cobratoxin/libfastjson.git /var/lib/mock/dist-an8.8-build-288793-64905/root/chroot_tmpdir/scmroot/libfastjson
Cloning into '/var/lib/mock/dist-an8.8-build-288793-64905/root/chroot_tmpdir/scmroot/libfastjson'...
$ git fetch origin 9780060e38b9e7d1c0a2824275845699739f1e07:KOJI_FETCH_HEAD
From https://gitee.com/cobratoxin/libfastjson
 * [new ref]         9780060e38b9e7d1c0a2824275845699739f1e07 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9780060 Add doc sub package